* {
  margin: 0;
  padding: 0;
}
body {
  display: flex;
  flex-direction: column;
  height: 100vh;
  font-size: 14px;
  font-weight: 300;
  background: #fff;
  font-family: Montserrat, sans-serif;
}
body header {
  display: flex;
  position: relative;
  flex-direction: row;
  border-bottom: solid 1px #000;
}
body header .left {
  min-width: 100px;
  text-align: center;
}
body header .left .select {
  padding: 10px 15px;
  font-size: medium;
  cursor: pointer;
}
body header .left .icon {
  font-size: 1.75em;
}
body header .mid {
  flex: 1;
  display: flex;
  align-items: center;
  /*定义body的元素垂直居中*/
  justify-content: center;
}
body header .mid span {
  font-size: 1.5em;
  font-weight: bold;
}
body header .right {
  min-width: 200px;
  display: flex;
  align-items: center;
  /*定义body的元素垂直居中*/
  justify-content: center;
  border-left: solid 1px #000;
}
body header .right .bt-try {
  position: relative;
  overflow: hidden;
  transition: width 0.3s ease-in-out;
}
body header .right a {
  color: #000;
  text-decoration: none;
  transition: color 0.3s ease-in-out;
}
body header .right .button {
  position: relative;
  display: inline-block;
  width: 225px;
  height: 100%;
  background-color: #fff;
  color: #000;
  line-height: 63px;
  text-align: center;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  overflow: hidden;
  transition: all 0.3s ease-in-out;
}
body header .right .button span {
  position: relative;
  z-index: 1;
}
body header .right .button:hover {
  background: #4737ff;
  color: #fff;
  border-left: none;
}
body header .right:hover {
  border-left: none;
}
body header .logo-header {
  display: block;
  position: absolute;
  top: 25%;
  left: 44%;
  width: auto;
  height: 23px;
  line-height: normal;
  cursor: pointer;
}
body main {
  display: flex;
  flex-direction: row;
  justify-content: space-around;
}
body main .main-left {
  padding: 55px 20px 20px 100px;
  display: flex;
  align-items: center;
  /*定义body的元素垂直居中*/
  justify-content: center;
}
body main .main-left img {
  width: 30vw;
}
body main .main-right {
  padding: 20px 40px;
  width: 45vw;
}
body main .main-right h1 {
  font-size: 3.1em;
  color: #4737ff;
  line-height: 1em;
  padding: 55px 20px 20px 20px;
  font-weight: normal;
}
body main .main-right p {
  font-size: 1.6em;
  color: #000;
  padding: 20px;
  font-weight: normal;
}
body main .main-right .explain {
  padding: 20px;
  font-size: 1.5em;
}
body main .main-right .explain .one {
  color: rgba(39, 143, 57, 0.87);
}
body main .main-right .explain .two {
  color: #d63737;
}
body main .main-right .explain .three {
  color: #aaaaaa;
}
body main .main-right .explain .four {
  color: #5f5f5f;
}
body .btn-try {
  width: 100%;
  padding: 100px 0px;
  display: flex;
  align-items: center;
  justify-content: center;
}
body .btn-try span {
  border-radius: 30px;
  background: #4737ff;
  display: inline-block;
  width: 200px;
  height: 50px;
  text-align: center;
  font-size: 1.5em;
  color: #fff;
  font-weight: bold;
  margin-left: 10px;
  line-height: normal;
  padding: 10px 20px;
  cursor: pointer;
  transition: all 0.3s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
}
body .btn-try span:hover {
  background: #fff;
  color: #4737ff;
}
body .words {
  width: 60%;
  padding: 100px 200px;
  margin: 0 auto;
  border-top: solid 1.5px #000;
}
body .words h1 {
  text-align: center;
  padding-bottom: 80px;
}
body .words p {
  text-align: center;
  font-size: 1.5em;
  font-weight: normal;
}
body footer {
  display: flex;
  flex-direction: row;
  justify-content: space-around;
  background: #ededfc;
  padding: 40px 80px;
}
body footer .info-left {
  display: flex;
  justify-content: center;
  align-items: center;
}
body footer .info-left .logo {
  width: 40vw;
  height: 60px;
  position: relative;
  display: flex;
  justify-content: center;
  align-content: center;
}
body footer .info-left .logo .logo-left {
  width: 35%;
  border-right: solid #000 1px;
  display: flex;
  justify-content: center;
  align-items: center;
}
body footer .info-left .logo .logo-left svg {
  padding-top: 20px;
}
body footer .info-left .logo .logo-right {
  width: 35%;
  display: flex;
  justify-content: center;
}
body footer .info-left .logo .logo-right svg {
  padding-left: 15px;
  padding-top: -20px;
}
body footer .info {
  width: 40%;
  display: flex;
  flex-direction: column;
}
body footer .info .guanslab {
  padding-bottom: 10px;
}
body footer .info .guanslab h1 {
  font-size: 1.6em;
}
body footer .info .guanslab p {
  font-size: 1em;
}
body footer .info .contact {
  padding-top: 25px;
  font-size: 1.3em;
}
